Shannon entropy associated with electrochemically generated ion concentration gradients
https://doi.org/10.17586/2220-8054-2020-11-2-171-175
Abstract
In this work, we discuss Shannon entropy in relation to ion distribution in solutions. Shannon entropy is a key concept of information theory. Discussion of ion solutions informational entropy is essential for consideration of ions as information carriers in iontronic devices. We studied entropy associated with ions redistribution using model electrochemically triggered local ion fluxes. For this purpose, we utilized bare gold electrodes as well as covered by polyelectrolyte layers and lipids. Modification of the electrode surface leads to a change of ion flux triggered by hydroquinone oxidation. Consequently, various distribution of ions in solution can be obtained. Shannon entropy was evaluated for diverse ion distributions.
Supporting agencies: This work is supported by RSF Grant No. 17-79-20186. EVS also thanks the ITMO Fellowship Professorship Program for Infrastructural Support. The authors thank Prof. Stanislav O. Yurchenko (BMSTU, Moscow) for the discussion of entropy analysis.
About the Authors
N. V. Ryzhkov
ITMO University
Russian Federation
Russian Federation
9, St. Petersburg, 191002
V. Yu. Yurova
ITMO University
Russian Federation
Russian Federation
9, St. Petersburg, 191002
E. V. Skorb
ITMO University
Russian Federation
Russian Federation
9, St. Petersburg, 191002
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Review
For citations:
Ryzhkov N.V., Yurova V.Yu., Skorb E.V. Shannon entropy associated with electrochemically generated ion concentration gradients. Nanosystems: Physics, Chemistry, Mathematics. 2020;11(2):171–175. https://doi.org/10.17586/2220-8054-2020-11-2-171-175
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